well. I'm not going to join a site that's completely unrelated to anything I do... I'll probably wait for seltzerwaterdrinkers.stackexchange.com or macbookproowners.stackexchange.com or peoplewithfliesintheirhouse.stackexchange.com

My friend thinks transferring 1 GB data to his SSD drive will permanently degrade the reading speed, even if I remove that data. If this is true, how many times would I have to transfer 1 GB of data to have any visible impact on performance?

disabling fastboot worked to get usb boot working, on rufus I had to pick UEFI only. Apparently this PC can't boot from MBR without CSM, and CSM didn't like the drive, so... in the end I got it working with UEFI and secure boot and everything.

Most important question in the world: Why does device setup appear when you plug devices you've already used 100 times and especially when you can use said device to close the popup, since it already works?